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meridional

meridional

1 9.9
Located or moving in a north-south direction
  • adjective
  • /məˈrɪdʒənl/
  • Specialized
translation icon : meridional
  • In contrast, more meridional jets allow more frequent flows of warm air in and cold air out from the poles, which then warm up while mid-latitudes cool down.
  • meridional circulation

Examples

  • The flow becoming meridional (north-south) rather than zonal (east-west) results in a very slow weather pattern.

    Blog text (33)
  • The last two characteristics are calculated from meridional and zonal components of the wind speed (in m/s).

    Academic text (2018)
  • So the meridional plane is this one, the one that you see over here.

  • Without the meridional circulation, lithium is not carried to greater depths to be destroyed.

    Academic text (1990)
  • In fact, the South Pole station has been warming up since the jets began to become more meridional around 2000.

    Blog text (7)
  • Both El Niños and increased meridional circulation have been linked to increased storminess in Southern California.

    Academic text (1994)
  • The cycle period is related to the global meridional circulation, which is directed poleward at the solar surface but toward the equator at the bottom of the convection zone.

    Academic text (2006)
  • However, it can also be very dry during these periods of strong meridional circulation, depending on the strength, position, and shape of upper-level highs and lows (Pyke 1975).

    Academic text (1994)
  • Thus, lithium abundance declines as the stellar temperature decreases, from about 7000 to 6700 K, because the convection zone gets larger, and meridional circulation helps to carry lithium to greater depths.

    Academic text (1990)
  • The study focused on the meridional patterns of temperature variations from the equator to the poles.

Surface Forms

meridional positive

Morphology

meridional = meridion + al

Formed from the combining form 'meridion' + the adjective suffix '-al'; the relation to the English word 'meridian' (north–south) exists but the non-identical form makes the connection less obvious to many learners.

Etymology

Meridional comes from the Latin word meridies, which means 'midday'. The related word meridian is the north-to-south line tied to the sun at midday, so meridional describes something that lies or moves in a 'north to south' direction.